Home / 147,285.72-220,941.27-40,669.70

Finding the Fourth Proportional to 147,285.72, 220,941.27 and 40,669.70

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Solution

The fourth proportional to 147,285.72, 220,941.27 and 40,669.70 is: 61,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,285.72 : 220,941.27 = 40,669.70 : x
  2. Step 2: Convert to fraction form
    147,285.72/220,941.27 = 40,669.70/x
  3. Step 3: Cross multiply
    147,285.72x = 220,941.27 × 40,669.70
  4. Step 4: Simplify right side
    147,285.72x = 8,985,614,063.81
  5. Step 5: Solve for x
    x = 8,985,614,063.81/147,285.72
  6. Step 6: Final answer
    x = 61,008.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.